[opencms-dev] Failed to write locks to database

[Nuno Fernandes]

Hi,

I'm having this problem:

21 Jan 2008 19:06:40,146 ERROR [rg.opencms.main.CmsThreadStore: 190] Failed to
write locks to database.
org.opencms.db.CmsDbSqlException: An SQL error occurred when executing the
following query: com.mysql.jdbc.PreparedStatement at 4904c8: statement has been
close
d, no further internal information available.
at
org.opencms.db.generic.CmsProjectDriver.writeLocks(CmsProjectDriver.java:2177)
at org.opencms.lock.CmsLockManager.writeLocks(CmsLockManager.java:582)
at
org.opencms.db.CmsDriverManager.writeLocks(CmsDriverManager.java:7920)
at
org.opencms.db.CmsSecurityManager.writeLocks(CmsSecurityManager.java:5091)
at org.opencms.main.CmsThreadStore.run(CmsThreadStore.java:187)
Caused by: com.mysql.jdbc.CommunicationsException: Communications link failure
due to underlying exception:

** BEGIN NESTED EXCEPTION **

java.io.EOFException
MESSAGE: Can not read response from server. Expected to read 4 bytes, read 0
bytes before connection was unexpectedly lost.

STACKTRACE:

java.io.EOFException: Can not read response from server. Expected to read 4
bytes, read 0 bytes before connection was unexpectedly lost.
at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1997)
at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2411)
..

I've googled around and didn't find anything related. I'm using two machines

1 - webserver
     centos5 (i386)
     apache-tomcat-6.0.14
     jdk-1.6.0_03-fcs
     opencms 7.0.3

2 - db server
     centos5 (x86_64)
     mysql 5

Any info?
Thanks,
Nuno Fernandes
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